Split script profiler into a separate file

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1201 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/profiler.hpp

@@ -0,0 +1,95 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2008 Twan van Laarhoven and "coppro"              |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+#ifndef HEADER_SCRIPT_PROFILER
+#define HEADER_SCRIPT_PROFILER
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <script/script.hpp>
+#include <script/context.hpp>
+
+#define USE_SCRIPT_PROFILING 1
+
+#if USE_SCRIPT_PROFILING
+
+DECLARE_POINTER_TYPE(FunctionProfile);
+
+// ----------------------------------------------------------------------------- : Timer
+
+#ifdef WIN32
+	typedef LONGLONG ProfileTime;
+	
+	inline ProfileTime timer_now() {
+		LARGE_INTEGER i;
+		QueryPerformanceCounter(&i);
+		return i.QuadPart;
+	}
+	inline ProfileTime timer_resolution() {
+		LARGE_INTEGER i;
+		QueryPerformanceFrequency(&i);
+		return i.QuadPart;
+	}
+#else
+	#error "No Timer implementation, can't use profiler"
+#endif
+
+/// Simple execution timer
+class Timer {
+  public:
+	Timer();
+	/// The time the timer has been running, resets the timer
+	inline ProfileTime time();
+	/// Exclude the time since the last reset from ALL running timers
+	inline void exclude_time();
+  private:
+	ProfileTime start;
+	static ProfileTime delta; ///< Time excluded
+};
+
+// ----------------------------------------------------------------------------- : FunctionProfile
+
+/// How much time was spent in a function?
+class FunctionProfile : public IntrusivePtrBase<FunctionProfile> {
+  public:
+	FunctionProfile(const String& name) : name(name), time_ticks(0), calls(0) {}
+	
+	String      name;
+	ProfileTime time_ticks;
+	UInt        calls;
+	map<size_t,FunctionProfileP> children;
+	
+	/// The children, sorted by time
+	void get_children(vector<FunctionProfileP>& out) const;
+	
+	/// Time in seconds
+	inline double time() const { return time_ticks / (double)timer_resolution(); }
+	inline double avg_time() const { return time() / calls; }
+};
+
+/// The root profile
+extern FunctionProfile profile_root;
+
+const FunctionProfile& profile_aggregated(int level = 1);
+
+// ----------------------------------------------------------------------------- : Profiler
+
+/// Profile a single function call
+class Profiler {
+  public:
+	Profiler(Timer& timer, Variable function_name);
+	Profiler(Timer& timer, void* function_object, const String& function_name);
+	~Profiler();
+  private:
+	Timer&                  timer;
+	static FunctionProfile* function; ///< function we are in
+	FunctionProfile*        parent;
+};
+
+// ----------------------------------------------------------------------------- : EOF
+#endif
+#endif